Higher deductibles will save you money. Make sure you don't get a higher deductible than you can afford in case you have to make a claim.
Some insurance companies rely on credit scoring when deciding whether to issue you a new policy or to renew your existing policy.
What you paid for your house is different than what it costs to rebuild your house. Review the policy to make sure the insured amount is reasonable for your area.
You may be surprised at the difference between insurance companies and what they charge. Getting more than one quote will assure you get the best rate.